(:*******************************************************:)
(: Test: K2-SeqExprCast-128                              :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:21+01:00                       :)
(: Purpose: Space between the sign and the digits is disallowed for byte. :)
(:*******************************************************:)
xs:byte("- 5")